C/Y-FX mount adapter, made by K&F CONCEPT. This adapter allows you to mount Contax/Yashica mount lenses on FUJI X mount cameras. There are no electronic contacts. No front or rear caps are included. The mount locks securely, and can be easily removed by pressing the button. Functionally, there are no problems. Will be shipped via Nekopos (domestic Japanese postal service). - Brand: K&F CONCEPT - Model: C/Y-FX - Type: Mount Adapter Thank you for viewing.